Keyless Bushing Flange Type Not Applicable For Bore Diameter 95 mm Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 135 mm Overall Width 38 mm System of Measurement Metric Finish Oil Dipped Hub Contact Pressure 35 290.7 psi Maximum Transmitted Torque 611 ft-lb Outside Diameter Tolerance +0/-.002 in